EST vs CST: Time Difference and Conversion
Eastern Standard Time (EST, UTC−5) and Central Standard Time (CST, UTC−6) are two of the four main US continental time zones, separated by just one hour. This relatively small gap makes cross-timezone scheduling straightforward, but it is still easy to miss calls or deadlines if you are not accounting for the difference.
The 1-Hour Gap
EST is UTC−5 and CST is UTC−6, placing the East Coast exactly one hour ahead of the Central region. When New York is at 9 AM, Chicago is at 8 AM. When the markets close in New York at 4 PM EST, it is 3 PM in Chicago. When the evening news starts at 6 PM in Washington D.C., Dallas is watching at 5 PM.
Unlike the US-versus-Europe comparison, the 1-hour EST/CST gap rarely causes scheduling problems by itself, but it does accumulate. A team with members spread from New York to Dallas to Denver to Los Angeles spans four time zones, and each hour of difference adds friction to meeting planning.
Compare Eastern and Central time
Add New York and Chicago to see both current times at a glance and find open windows across the 1-hour gap.
Open the appQuick Conversion Reference
To convert EST to CST, subtract 1 hour. To convert CST to EST, add 1 hour.
| Eastern Time (EST/EDT) | Central Time (CST/CDT) |
|---|---|
| 7:00 AM | 6:00 AM |
| 8:00 AM | 7:00 AM |
| 9:00 AM | 8:00 AM |
| 10:00 AM | 9:00 AM |
| 12:00 PM (noon) | 11:00 AM |
| 2:00 PM | 1:00 PM |
| 5:00 PM | 4:00 PM |
| 6:00 PM | 5:00 PM |
| 9:00 PM | 8:00 PM |
Tip
Daylight Saving Time
Both Eastern and Central time zones observe daylight saving time on the same dates — the second Sunday in March (spring forward) and the first Sunday in November (fall back). During summer, EST becomes EDT (UTC−4) and CST becomes CDT (UTC−5). Because both transitions happen simultaneously, the 1-hour gap between them never changes.
Note
Which States Are on Central Time?
The Central Time Zone covers the geographic heart of the United States. States entirely in Central Time include Illinois, Wisconsin, Minnesota, Iowa, Missouri, Arkansas, Louisiana, Mississippi, and Oklahoma. Texas is mostly Central Time, with the exception of the westernmost El Paso area. Alabama, Tennessee, Florida, Indiana, and Michigan each have counties on either side of the Eastern/Central boundary.
Major Central Time cities include Chicago, Houston, Dallas, Minneapolis, San Antonio, Kansas City, Nashville, New Orleans, and Memphis.
Schedule across US time zones
Add any combination of US cities to the world clock and find the best meeting time for everyone on your team.
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Frequently Asked Questions
- How many hours ahead is EST compared to CST?
- Eastern Standard Time is exactly 1 hour ahead of Central Standard Time year-round. When Chicago is at 10 AM CST, New York is at 11 AM EST. Because both zones observe daylight saving time on the same schedule, the 1-hour gap never changes regardless of the season.
- What US cities are in the Central Time Zone?
- Major US cities in the Central Time Zone include Chicago, Dallas, Houston, Minneapolis, Kansas City, New Orleans, Nashville, and St. Louis. The zone spans the middle third of the continental United States, from Texas up through the Dakotas and across to parts of Alabama and Indiana.
- Is there ever a 2-hour difference between EST and CST?
- No, within the standard US daylight saving schedule, EST and CST always differ by exactly 1 hour. Both zones spring forward and fall back on the same dates. The only edge case is Indiana, where some counties observe Eastern Time while others observe Central Time.